If you were to dip your toes into the middle of the North Atlantic — say ... thing — may also be helping heat up the ocean. The plankton! The fish! The whales! And hopefully — you!

Ocean waters in the Northern Hemisphere have been unusually warm in recent weeks, with parts of the North Atlantic and northern ... exert new pressure on the region's fish and invertebrates ...

A team of scientists in Portugal say they discovered the heaviest bony fish in the world in the Azores archipelago in the Atlantic Ocean. The giant sunfish, weighing a little more than 3 tons ...

On Wednesday June 14, the surface of the North Atlantic Ocean ... effects on life in the ocean, too. As water heats up, it holds onto less oxygen and can suffocate fish. Hot water was a factor ...